Unit 4 Water: Review

Oceans contain how much of Earth's water?

• Oceans = 71%

• Oceans = 60%

• Oceans = 97%

• Oceans = 80%

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NGSS.MS-ESS2-4

NGSS.MS-ESS2-1

Ice caps & Glaciers contain how much of Earth's fresh water?

• Ice caps & Glaciers = 17 %

• Ice caps & Glaciers = 25 %

• Ice caps & Glaciers = 30 %

• Ice caps & Glaciers =70 %

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NGSS.MS-ESS2-4

How much of the fresh water all living things can access?

• 1%

• 3%

• 30%

• 70%

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NGSS.MS-ESS2-4

True or False: 97% of Earth’s water is found in rivers, lakes, and streams.

• True

• False

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NGSS.MS-ESS2-4

True or False: All humans share 29 – 35 % of Earth’s water.

• True

• False

True or False: 97% of Earth’s water is saltwater.

• True

• False

Tags

NGSS.MS-ESS2-4

True or False: Water vapor makes up nearly 10% of Earth’s freshwater.

• True

• False

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NGSS.MS-ESS2-4

Complete the definition of a current: A current is like a ________________.

• A current is like a cloud.

• A current is like a mountain.

• A current is like a tree.

• A current is like a river.

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NGSS.MS-ESS2-6

What are the two types of ocean currents?

• Surface currents and deep-water currents

• Tidal currents and wind-driven currents

• Warm currents and cold currents

• Equatorial currents and polar currents

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NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

True or False: Warm, less salty water sinks because it is denser!

• True

• False

Tags

NGSS.MS-ESS2-4